TM-9-2350-261-34

CARRIER, M113A2, M577A2, M1064, M1068, M1059 AND M901A1

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

TM-9-2350-261-34

  TM-9-2350-261-34 - Page 120 of 785

TM 9-2350-261-34
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING
LUBRICATION INSTRUCTIONS — Continued
0014 00
Repair
1
.
GE NERA L REPAIR.
General repair procedures are given in the follo wing st eps. Special repairs are covered in t he
task. After repair, clean all parts well.
a.
CASTINGS.
1)
Replace all cracked or broken castings.
2)
Repair minor damage to machined surfaces of castings with crocus cloth. Replace any part with defects that
cannot be corrected or which will impair function.
3)
Repair minor surface bends by working bent surface of casting across sheet of crocus cloth on surface plate.
Replace bent castings which would impair assembly or function.
4)
Repair damaged pipe or screw threads with correct tap or die.
b.
BALL BEARINGS.
See TM 9-214 for inspection and maintenance of ball bearings.
c.
NEEDLE ROLLER BEARINGS.
See TM 9-214 for inspection and maintenance of needle roller bearings.
d.
STUDS.
1)
Replace all bent or loose studs or studs which show signs of stretching.
2)
Repair minor thread damage with standard thread chaser.
3)
To remove studs, back out studs slowly with stud extractor to avoid heating and possible seizure. If studs are
broken too short to use extractor, drill and extract studs with suitable remover. A short stud may be removed
by welding nut to stud and removing with wrench.
001400-7
Damaged housing bore can cause equipment failure. Do not damage housing bore when
cutting bushings.
NOTE
Do not remove bushings and bushing type bearings unless replacement is necessary and
authorized. Removal usually damages these parts.
f.
BUSHINGS AND BUSHING TYPE BEARINGS.
1)
Replace bushings and bushing type bearings if they are loose, scored, or have color change due to heat. When
you replace bushings and bushing type bearings, check nearby parts for damage or wear.
2)
Remove bushings and bushing type bearings by pressing them out. Use a suitable arbor press or special tools.
It may be necessary to remove bushings in blind holes with a saw or by using a narrow cap chisel.
3)
Install bushings or bushing type bearings by aligning them in casting or retaining cage. Press bushing or
bushing type bearings into place with suitable arbor press or with special tools.
N
O
I
T
U
A
4)
To replace studs, lightly apply antiseize compound to stud before you install it. Only standard studs are
supplied for repair parts. If threaded hole is damaged beyond repair, drill and tap damaged hole. Install
threaded insert in tapped hole.
e.
GEARS.
1)
Replace gears that have worn, pitted, or gouged teeth.
2)
Remove sharp burrs from gear teeth with crocus cloth dipped in solvent, cleaning compound.
C


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